/************************************************************************
 * Strathclyde Planning Group, Department of Computer and Information Sciences,
 * University of Strathclyde, Glasgow, UK http://planning.cis.strath.ac.uk/
 * 
 * Copyright 2007, Keith Halsey Copyright 2008, Andrew Coles and Amanda Smith
 * 
 * (Questions/bug reports now to be sent to Andrew Coles)
 * 
 * This file is part of JavaFF.
 * 
 * JavaFF is free software: you can redistribute it and/or modify it under the
 * terms of the GNU General Public License as published by the Free Software
 * Foundation, either version 2 of the License, or (at your option) any later
 * version.
 * 
 * JavaFF is distributed in the hope that it will be useful, but WITHOUT ANY
 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
 * A PARTICULAR PURPOSE. See the GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License along with
 * JavaFF. If not, see <http://www.gnu.org/licenses/>.
 * 
 ************************************************************************/

package javaff.data;

import java.io.IOException;
import java.io.PrintStream;
import java.io.PrintWriter;
import java.io.Writer;
import java.math.BigDecimal;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;
import java.util.SortedSet;
import java.util.TreeSet;

public class TimeStampedPlan implements Plan{
	public SortedSet actions = new TreeSet();

	public void addAction(Action a, BigDecimal t) {
		addAction(a, t, null);
	}

	public void addAction(Action a, BigDecimal t, BigDecimal d) {
		actions.add(new TimeStampedAction(a, t, d));
	}

	public void print(PrintStream p) {
		Iterator ait = actions.iterator();
		while (ait.hasNext()) {
			TimeStampedAction a = (TimeStampedAction) ait.next();
			p.println(a);
		}
	}

	public void print(PrintWriter p) {
		Iterator ait = actions.iterator();
		while (ait.hasNext()) {
			TimeStampedAction a = (TimeStampedAction) ait.next();
			p.println(a);
		}
	}

	public Set getActions() {
		Set s = new HashSet();
		Iterator ait = actions.iterator();
		while (ait.hasNext()) {
			TimeStampedAction a = (TimeStampedAction) ait.next();
			s.add(a.action);
		}
		return s;
	}

	@Override
	public void print(Writer writer) {
		Iterator ait = actions.iterator();
		while (ait.hasNext()) {
			TimeStampedAction a = (TimeStampedAction) ait.next();
			try {
				writer.append(a.toString());
				writer.append('\n');
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
	}
}
